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Given that t1 is a reference to a live thread, which is true?（）
A:The Thread.sleep() method can take t1 as an argument.
B:The Object.notify() method can take t1 as an argument.
C:The Thread.yield() method can take t1 as an argument.
D:The Thread.setPriority() method can take t1 as an argument.
E:The Object.notify() method arbitrarily chooses which thread to notify.

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出自：Oracle认证

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